966653537 has 2 divisors, whose sum is σ = 966653538. Its totient is φ = 966653536.

The previous prime is 966653503. The next prime is 966653539. The reversal of 966653537 is 735356669.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 961992256 + 4661281 = 31016^2 + 2159^2 .

It is an emirp because it is prime and its reverse (735356669) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 966653537 - 2²⁰ = 965604961 is a prime.

It is a super-2 number, since 2×966653537² = 1868838121189220738, which contains 22 as substring.

Together with 966653539, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (966653539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483326768 + 483326769.

It is an arithmetic number, because the mean of its divisors is an integer number (483326769).

Almost surely, 2^966653537 is an apocalyptic number.

It is an amenable number.

966653537 is a deficient number, since it is larger than the sum of its proper divisors (1).

966653537 is an equidigital number, since it uses as much as digits as its factorization.

966653537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3061800, while the sum is 50.

The square root of 966653537 is about 31091.0523623759. The cubic root of 966653537 is about 988.7586171649.

The spelling of 966653537 in words is "nine hundred sixty-six million, six hundred fifty-three thousand, five hundred thirty-seven".